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<div class="title">FeSupport.java</div> </div>
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<a href="FeSupport_8java.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2012 Cloudera Inc.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// Licensed under the Apache License, Version 2.0 (the &quot;License&quot;);</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment">// you may not use this file except in compliance with the License.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment">// You may obtain a copy of the License at</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment">// Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment">// distributed under the License is distributed on an &quot;AS IS&quot; BASIS,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment">// See the License for the specific language governing permissions and</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment">// limitations under the License.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="keyword">package </span>com.cloudera.impala.service;</div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;</div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="keyword">import</span> java.util.ArrayList;</div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="keyword">import</span> java.util.List;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">import</span> java.util.Set;</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="keyword">import</span> org.apache.thrift.TDeserializer;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">import</span> org.apache.thrift.TException;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="keyword">import</span> org.apache.thrift.TSerializer;</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="keyword">import</span> org.apache.thrift.protocol.TBinaryProtocol;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="keyword">import</span> org.slf4j.Logger;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="keyword">import</span> org.slf4j.LoggerFactory;</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral.html">com.cloudera.impala.analysis.BoolLiteral</a>;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">com.cloudera.impala.analysis.Expr</a>;</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1NullLiteral.html">com.cloudera.impala.analysis.NullLiteral</a>;</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1TableName.html">com.cloudera.impala.analysis.TableName</a>;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">com.cloudera.impala.common.InternalException</a>;</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TCacheJarParams;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TCacheJarResult;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TCatalogObject;</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TCatalogObjectType;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TCatalogServiceRequestHeader;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TColumnValue;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TExprBatch;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TPrioritizeLoadRequest;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TPrioritizeLoadResponse;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TQueryCtx;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TResultRow;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TStatus;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TStartupOptions;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TSymbolLookupParams;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TSymbolLookupResult;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">import</span> com.cloudera.impala.thrift.TTable;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keyword">import</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLibUtil.html">com.cloudera.impala.util.NativeLibUtil</a>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="keyword">import</span> com.google.common.base.Preconditions;</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html"> 60</a></span>&#160;<span class="keyword">public</span> <span class="keyword">class </span><a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html">FeSupport</a> {</div>
<div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a91ea35f67e3be1696386025646ed0890"> 61</a></span>&#160; <span class="keyword">private</span> <span class="keyword">final</span> <span class="keyword">static</span> Logger <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a91ea35f67e3be1696386025646ed0890">LOG</a> = LoggerFactory.getLogger(FeSupport.class);</div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24f971411f4683b75d470070b9a5005b"> 62</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24f971411f4683b75d470070b9a5005b">loaded_</a> = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="comment">// Only called if this library is explicitly loaded. This only happens</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="comment">// when running FE tests.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad4c3dc7a24845bd97a926a31a2bbcd58">NativeFeTestInit</a>();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Returns a serialized TResultRow</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a094241f17319e9251f4da40ae3cb2140">NativeEvalConstExprs</a>(byte[] thriftExprBatch,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; byte[] thriftQueryGlobals);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; <span class="comment">// Returns a serialized TSymbolLookupResult</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a67a165593b9f40e085c06f4b0a9268cd">NativeLookupSymbol</a>(byte[] thriftSymbolLookup);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; <span class="comment">// Returns a serialized TCacheJarResult</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a351a2bea12935dc4d273682aaf991cc4">NativeCacheJar</a>(byte[] thriftCacheJar);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="comment">// Does an RPCs to the Catalog Server to prioritize the metadata loading of a</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="comment">// one or more catalog objects. To keep our kerberos configuration consolidated,</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <span class="comment">// we make make all RPCs in the BE layer instead of calling the Catalog Server</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; <span class="comment">// using Java Thrift bindings.</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adf3e884091f649efa8d11cb08e4bab23">NativePrioritizeLoad</a>(byte[] thriftReq);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; <span class="comment">// Return select BE startup options as a serialized TStartupOptions</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keyword">public</span> native <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ab541624fdfa859688c6e12ae32fd5735">NativeGetStartupOptions</a>();</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160;</div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24223c01ebf5b356a82329103a61e5fb"> 94</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TCacheJarResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24223c01ebf5b356a82329103a61e5fb">CacheJar</a>(String hdfsLocation) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; Preconditions.checkNotNull(hdfsLocation);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; TCacheJarParams params = <span class="keyword">new</span> TCacheJarParams(hdfsLocation);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; TSerializer serializer = <span class="keyword">new</span> TSerializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; byte[] result;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24223c01ebf5b356a82329103a61e5fb">CacheJar</a>(serializer.serialize(params));</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; Preconditions.checkNotNull(result);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; TCacheJarResult thriftResult = <span class="keyword">new</span> TCacheJarResult();</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; deserializer.deserialize(thriftResult, result);</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160; <span class="keywordflow">return</span> thriftResult;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160; <span class="comment">// this should never happen</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="stringliteral">&quot;Couldn&#39;t cache jar at HDFS location &quot;</span> + hdfsLocation, e);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adc86351a76bc96fc340c5f6aab790c33"> 113</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adc86351a76bc96fc340c5f6aab790c33">CacheJar</a>(byte[] thriftParams) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a351a2bea12935dc4d273682aaf991cc4">NativeCacheJar</a>(thriftParams);</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; } <span class="keywordflow">catch</span> (UnsatisfiedLinkError e) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">loadLibrary</a>();</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a351a2bea12935dc4d273682aaf991cc4">NativeCacheJar</a>(thriftParams);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;</div>
<div class="line"><a name="l00122"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad2d803645f779ae470ece83fb5c66ef1"> 122</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TColumnValue <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad2d803645f779ae470ece83fb5c66ef1">EvalConstExpr</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> expr, TQueryCtx queryCtx)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; Preconditions.checkState(expr.isConstant());</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; TExprBatch exprBatch = <span class="keyword">new</span> TExprBatch();</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; exprBatch.addToExprs(expr.treeToThrift());</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; TSerializer serializer = <span class="keyword">new</span> TSerializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; byte[] result;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a423dee0ed6a333713529db862594c72d">EvalConstExprs</a>(serializer.serialize(exprBatch),</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; serializer.serialize(queryCtx));</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; Preconditions.checkNotNull(result);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160; TResultRow val = <span class="keyword">new</span> TResultRow();</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; deserializer.deserialize(val, result);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; Preconditions.checkState(val.getColValsSize() == 1);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; <span class="keywordflow">return</span> val.getColVals().<span class="keyword">get</span>(0);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="comment">// this should never happen</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(<span class="stringliteral">&quot;couldn&#39;t execute expr &quot;</span> + expr.toSql(), e);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#af4321f42b4d86d1f62fe55a47eb713f0"> 144</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#af4321f42b4d86d1f62fe55a47eb713f0">LookupSymbol</a>(byte[] thriftParams) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a67a165593b9f40e085c06f4b0a9268cd">NativeLookupSymbol</a>(thriftParams);</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; } <span class="keywordflow">catch</span> (UnsatisfiedLinkError e) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">loadLibrary</a>();</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a67a165593b9f40e085c06f4b0a9268cd">NativeLookupSymbol</a>(thriftParams);</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;</div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a7e4c37c16621357e7f8dfa2978c5af1d"> 153</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TSymbolLookupResult <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a7e4c37c16621357e7f8dfa2978c5af1d">LookupSymbol</a>(TSymbolLookupParams params)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160; <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160; TSerializer serializer = <span class="keyword">new</span> TSerializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; byte[] resultBytes = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#af4321f42b4d86d1f62fe55a47eb713f0">LookupSymbol</a>(serializer.serialize(params));</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; Preconditions.checkNotNull(resultBytes);</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; TSymbolLookupResult result = <span class="keyword">new</span> TSymbolLookupResult();</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; deserializer.deserialize(result, resultBytes);</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="comment">// this should never happen</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(<span class="stringliteral">&quot;couldn&#39;t perform symbol lookup.&quot;</span>, e);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160;</div>
<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a423dee0ed6a333713529db862594c72d"> 169</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a423dee0ed6a333713529db862594c72d">EvalConstExprs</a>(byte[] thriftExprBatch,</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; byte[] thriftQueryContext) {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a094241f17319e9251f4da40ae3cb2140">NativeEvalConstExprs</a>(thriftExprBatch, thriftQueryContext);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; } <span class="keywordflow">catch</span> (UnsatisfiedLinkError e) {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">loadLibrary</a>();</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a094241f17319e9251f4da40ae3cb2140">NativeEvalConstExprs</a>(thriftExprBatch, thriftQueryContext);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;</div>
<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ac97651294a62152f7b11da71423c62d4"> 179</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> <span class="keywordtype">boolean</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ac97651294a62152f7b11da71423c62d4">EvalPredicate</a>(<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> pred, TQueryCtx queryCtx)</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="comment">// Shortcuts to avoid expensive BE evaluation.</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="keywordflow">if</span> (pred instanceof <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral.html">BoolLiteral</a>) <span class="keywordflow">return</span> ((BoolLiteral) pred).getValue();</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="keywordflow">if</span> (pred instanceof <a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1NullLiteral.html">NullLiteral</a>) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; Preconditions.checkState(pred.getType().isBoolean());</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; TColumnValue val = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad2d803645f779ae470ece83fb5c66ef1">EvalConstExpr</a>(pred, queryCtx);</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="comment">// Return false if pred evaluated to false or NULL. True otherwise.</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="keywordflow">return</span> val.isBool_val() &amp;&amp; val.bool_val;</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a0ea07f8c5fc28294105e2151acbbec3b"> 199</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TResultRow <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a0ea07f8c5fc28294105e2151acbbec3b">EvalPredicateBatch</a>(ArrayList&lt;Expr&gt; exprs,</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; TQueryCtx queryCtx) <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; TSerializer serializer = <span class="keyword">new</span> TSerializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; TExprBatch exprBatch = <span class="keyword">new</span> TExprBatch();</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">Expr</a> expr: exprs) {</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="comment">// Make sure we only process boolean exprs.</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; Preconditions.checkState(expr.getType().isBoolean());</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; Preconditions.checkState(expr.isConstant());</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; exprBatch.addToExprs(expr.treeToThrift());</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; byte[] result;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a423dee0ed6a333713529db862594c72d">EvalConstExprs</a>(serializer.serialize(exprBatch),</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; serializer.serialize(queryCtx));</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; Preconditions.checkNotNull(result);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; TResultRow val = <span class="keyword">new</span> TResultRow();</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; deserializer.deserialize(val, result);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="keywordflow">return</span> val;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="comment">// this should never happen</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(<span class="stringliteral">&quot;couldn&#39;t execute a batch of exprs.&quot;</span>, e);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160;</div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a6a7aad75a08afb71138f77a8dcff86a0"> 224</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> byte[] <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a6a7aad75a08afb71138f77a8dcff86a0">PrioritizeLoad</a>(byte[] thriftReq) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adf3e884091f649efa8d11cb08e4bab23">NativePrioritizeLoad</a>(thriftReq);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; } <span class="keywordflow">catch</span> (UnsatisfiedLinkError e) {</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">loadLibrary</a>();</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adf3e884091f649efa8d11cb08e4bab23">NativePrioritizeLoad</a>(thriftReq);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; }</div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160;</div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a83a4e391b7e86663686de4dc01fbf883"> 233</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TStatus <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a83a4e391b7e86663686de4dc01fbf883">PrioritizeLoad</a>(Set&lt;TableName&gt; tableNames)</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="keywordflow">throws</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; Preconditions.checkNotNull(tableNames);</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; List&lt;TCatalogObject&gt; objectDescs = <span class="keyword">new</span> ArrayList&lt;TCatalogObject&gt;(tableNames.size());</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="keywordflow">for</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1TableName.html">TableName</a> tableName: tableNames) {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; TCatalogObject catalogObject = <span class="keyword">new</span> TCatalogObject();</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; catalogObject.setType(TCatalogObjectType.TABLE);</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; catalogObject.setTable(<span class="keyword">new</span> TTable(tableName.getDb(), tableName.getTbl()));</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; objectDescs.add(catalogObject);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; }</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; TPrioritizeLoadRequest request = <span class="keyword">new</span> TPrioritizeLoadRequest ();</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; request.setHeader(<span class="keyword">new</span> TCatalogServiceRequestHeader());</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; request.setObject_descs(objectDescs);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160;</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; TSerializer serializer = <span class="keyword">new</span> TSerializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; byte[] result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a6a7aad75a08afb71138f77a8dcff86a0">PrioritizeLoad</a>(serializer.serialize(request));</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; Preconditions.checkNotNull(result);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; TPrioritizeLoadResponse response = <span class="keyword">new</span> TPrioritizeLoadResponse();</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; deserializer.deserialize(response, result);</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="keywordflow">return</span> response.getStatus();</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="comment">// this should never happen</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a>(<span class="stringliteral">&quot;Error processing request: &quot;</span> + e.getMessage(), e);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; }</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160;</div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#abae7f6ef8c1750b7ac68473609681385"> 263</a></span>&#160; <span class="keyword">public</span> <span class="keyword">static</span> TStartupOptions <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#abae7f6ef8c1750b7ac68473609681385">GetStartupOptions</a>() throws <a class="code" href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">InternalException</a> {</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; byte[] result = <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ab541624fdfa859688c6e12ae32fd5735">NativeGetStartupOptions</a>();</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; Preconditions.checkNotNull(result);</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; TDeserializer deserializer = <span class="keyword">new</span> TDeserializer(<span class="keyword">new</span> TBinaryProtocol.Factory());</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; TStartupOptions options = <span class="keyword">new</span> TStartupOptions();</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; deserializer.deserialize(options, result);</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="keywordflow">return</span> options;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; } <span class="keywordflow">catch</span> (TException e) {</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="keywordflow">throw</span> <span class="keyword">new</span> InternalException(<span class="stringliteral">&quot;Error retrieving startup options: &quot;</span> + e.getMessage(),</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; e);</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; }</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; }</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160;</div>
<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c"> 281</a></span>&#160; <span class="keyword">private</span> <span class="keyword">static</span> <span class="keyword">synchronized</span> <span class="keywordtype">void</span> <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">loadLibrary</a>() {</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="keywordflow">if</span> (<a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24f971411f4683b75d470070b9a5005b">loaded_</a>) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; LOG.info(<span class="stringliteral">&quot;Loading libfesupport.so&quot;</span>);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; NativeLibUtil.loadLibrary(<span class="stringliteral">&quot;libfesupport.so&quot;</span>);</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; LOG.info(<span class="stringliteral">&quot;Loaded libfesupport.so&quot;</span>);</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24f971411f4683b75d470070b9a5005b">loaded_</a> = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <a class="code" href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad4c3dc7a24845bd97a926a31a2bbcd58">NativeFeTestInit</a>();</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; }</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160;}</div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a7e4c37c16621357e7f8dfa2978c5af1d"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a7e4c37c16621357e7f8dfa2978c5af1d">com.cloudera.impala.service.FeSupport.LookupSymbol</a></div><div class="ttdeci">static TSymbolLookupResult LookupSymbol(TSymbolLookupParams params)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00153">FeSupport.java:153</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a24223c01ebf5b356a82329103a61e5fb"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24223c01ebf5b356a82329103a61e5fb">com.cloudera.impala.service.FeSupport.CacheJar</a></div><div class="ttdeci">static TCacheJarResult CacheJar(String hdfsLocation)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00094">FeSupport.java:94</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1TableName_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1TableName.html">com.cloudera.impala.analysis.TableName</a></div><div class="ttdef"><b>Definition:</b> <a href="TableName_8java_source.html#l00033">TableName.java:33</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a351a2bea12935dc4d273682aaf991cc4"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a351a2bea12935dc4d273682aaf991cc4">com.cloudera.impala.service.FeSupport.NativeCacheJar</a></div><div class="ttdeci">static native byte[] NativeCacheJar(byte[] thriftCacheJar)</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html">com.cloudera.impala.service.FeSupport</a></div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00060">FeSupport.java:60</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a67a165593b9f40e085c06f4b0a9268cd"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a67a165593b9f40e085c06f4b0a9268cd">com.cloudera.impala.service.FeSupport.NativeLookupSymbol</a></div><div class="ttdeci">static native byte[] NativeLookupSymbol(byte[] thriftSymbolLookup)</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLibUtil_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1util_1_1NativeLibUtil.html">com.cloudera.impala.util.NativeLibUtil</a></div><div class="ttdef"><b>Definition:</b> <a href="NativeLibUtil_8java_source.html#l00019">NativeLibUtil.java:19</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1BoolLiteral.html">com.cloudera.impala.analysis.BoolLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="BoolLiteral_8java_source.html#l00024">BoolLiteral.java:24</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_adc86351a76bc96fc340c5f6aab790c33"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adc86351a76bc96fc340c5f6aab790c33">com.cloudera.impala.service.FeSupport.CacheJar</a></div><div class="ttdeci">static byte[] CacheJar(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00113">FeSupport.java:113</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_ad4c3dc7a24845bd97a926a31a2bbcd58"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad4c3dc7a24845bd97a926a31a2bbcd58">com.cloudera.impala.service.FeSupport.NativeFeTestInit</a></div><div class="ttdeci">static native void NativeFeTestInit()</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_ad2d803645f779ae470ece83fb5c66ef1"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ad2d803645f779ae470ece83fb5c66ef1">com.cloudera.impala.service.FeSupport.EvalConstExpr</a></div><div class="ttdeci">static TColumnValue EvalConstExpr(Expr expr, TQueryCtx queryCtx)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00122">FeSupport.java:122</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1Expr.html">com.cloudera.impala.analysis.Expr</a></div><div class="ttdef"><b>Definition:</b> <a href="Expr_8java_source.html#l00048">Expr.java:48</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_adf3e884091f649efa8d11cb08e4bab23"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#adf3e884091f649efa8d11cb08e4bab23">com.cloudera.impala.service.FeSupport.NativePrioritizeLoad</a></div><div class="ttdeci">static native byte[] NativePrioritizeLoad(byte[] thriftReq)</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_ac97651294a62152f7b11da71423c62d4"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ac97651294a62152f7b11da71423c62d4">com.cloudera.impala.service.FeSupport.EvalPredicate</a></div><div class="ttdeci">static boolean EvalPredicate(Expr pred, TQueryCtx queryCtx)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00179">FeSupport.java:179</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a91ea35f67e3be1696386025646ed0890"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a91ea35f67e3be1696386025646ed0890">com.cloudera.impala.service.FeSupport.LOG</a></div><div class="ttdeci">static final Logger LOG</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00061">FeSupport.java:61</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1common_1_1InternalException.html">com.cloudera.impala.common.InternalException</a></div><div class="ttdef"><b>Definition:</b> <a href="InternalException_8java_source.html#l00021">InternalException.java:21</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a83a4e391b7e86663686de4dc01fbf883"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a83a4e391b7e86663686de4dc01fbf883">com.cloudera.impala.service.FeSupport.PrioritizeLoad</a></div><div class="ttdeci">static TStatus PrioritizeLoad(Set&lt; TableName &gt; tableNames)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00233">FeSupport.java:233</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1analysis_1_1NullLiteral_html"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1analysis_1_1NullLiteral.html">com.cloudera.impala.analysis.NullLiteral</a></div><div class="ttdef"><b>Definition:</b> <a href="NullLiteral_8java_source.html#l00023">NullLiteral.java:23</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_af4321f42b4d86d1f62fe55a47eb713f0"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#af4321f42b4d86d1f62fe55a47eb713f0">com.cloudera.impala.service.FeSupport.LookupSymbol</a></div><div class="ttdeci">static byte[] LookupSymbol(byte[] thriftParams)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00144">FeSupport.java:144</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a0ea07f8c5fc28294105e2151acbbec3b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a0ea07f8c5fc28294105e2151acbbec3b">com.cloudera.impala.service.FeSupport.EvalPredicateBatch</a></div><div class="ttdeci">static TResultRow EvalPredicateBatch(ArrayList&lt; Expr &gt; exprs, TQueryCtx queryCtx)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00199">FeSupport.java:199</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a423dee0ed6a333713529db862594c72d"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a423dee0ed6a333713529db862594c72d">com.cloudera.impala.service.FeSupport.EvalConstExprs</a></div><div class="ttdeci">static byte[] EvalConstExprs(byte[] thriftExprBatch, byte[] thriftQueryContext)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00169">FeSupport.java:169</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a24f971411f4683b75d470070b9a5005b"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a24f971411f4683b75d470070b9a5005b">com.cloudera.impala.service.FeSupport.loaded_</a></div><div class="ttdeci">static boolean loaded_</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00062">FeSupport.java:62</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_abae7f6ef8c1750b7ac68473609681385"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#abae7f6ef8c1750b7ac68473609681385">com.cloudera.impala.service.FeSupport.GetStartupOptions</a></div><div class="ttdeci">static TStartupOptions GetStartupOptions()</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00263">FeSupport.java:263</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a95c24dcf6e1f89db4d23bdd33001604c"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a95c24dcf6e1f89db4d23bdd33001604c">com.cloudera.impala.service.FeSupport.loadLibrary</a></div><div class="ttdeci">static synchronized void loadLibrary()</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00281">FeSupport.java:281</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a6a7aad75a08afb71138f77a8dcff86a0"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a6a7aad75a08afb71138f77a8dcff86a0">com.cloudera.impala.service.FeSupport.PrioritizeLoad</a></div><div class="ttdeci">static byte[] PrioritizeLoad(byte[] thriftReq)</div><div class="ttdef"><b>Definition:</b> <a href="FeSupport_8java_source.html#l00224">FeSupport.java:224</a></div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_ab541624fdfa859688c6e12ae32fd5735"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#ab541624fdfa859688c6e12ae32fd5735">com.cloudera.impala.service.FeSupport.NativeGetStartupOptions</a></div><div class="ttdeci">static native byte[] NativeGetStartupOptions()</div></div>
<div class="ttc" id="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport_html_a094241f17319e9251f4da40ae3cb2140"><div class="ttname"><a href="classcom_1_1cloudera_1_1impala_1_1service_1_1FeSupport.html#a094241f17319e9251f4da40ae3cb2140">com.cloudera.impala.service.FeSupport.NativeEvalConstExprs</a></div><div class="ttdeci">static native byte[] NativeEvalConstExprs(byte[] thriftExprBatch, byte[] thriftQueryGlobals)</div></div>
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